Safely Limited Speed (Sls) - Siemens Sinamics S120 Function Manual

Not e
S S 2 with external stop (SS2E)
If you use SS2E, neither of the two monitoring functions (SBR, SAM) is active. The drive
must be shut down in SS2E within the delay time, for example, by a user program of a CPU.
SOS becomes active after the delay time expires.
Details and parameterization
For further details and information on how to parameterize this function, see Section "Safe
Stop 2 (SS2) (Page 94)".
3.2.7

Safely Limited Speed (SLS)

Definition according to EN 61800-5-2:
"The SLS function prevents the motor from
exceeding the specified speed limit."
Ex amples of how the function can be used
Example
The machine operator must be able to enter the
machine after the protective door has been opened
and slowly move a horizontal conveyor with an ac-
knowledgment button in the danger zone.
A spindle drive, depending on the selection of the
cutting tool, must not exceed a specific maximum
velocity.
Safety Integrated
Function Manual, (FHS), 07/2016, 6SL3097-4AR00-0BP6
Overview of Safety Integrated functions
3.2 Safety Integrated Extended Functions
Po ssible solution
Select SLS in the converter via a fail-safe
•
input or PROFIsafe .
The converter limits and monitors the
•
velocity of the horizontal conveyor.
Select SLS and the corresponding
•
SLSlevel in the converter via PROFIsafe.
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